Answer
$(-2, 5, 1)$
Work Step by Step
A: $x+y=3$
B: $2y=10$
C: $3x+2y-3z=1$
$2y=10$
$2y/2=10/2$
$y=5$
$x+y=3$
$x+5=3$
$x=-2$
$3x+2y-3z=1$
$3*(-2)+2*5-3z=1$
$-6+10-3z=1$
$4-3z=1$
$3=3z$
$3/3=3z/3$
$z=1$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.1 - Solving Systems of Linear Equations in Three Variables and Problem Solving - Exercise Set - Page 637: 3
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
